Cotter Pin

A cotter pin is a simple metal clasp that is used to fasten lightly loaded parts or to prevent self-screwing of bolts.The cotter pin is usually a piece of thick enough wire that is bent in half, leaving the eyelet on top. When installing, it is inserted into the hole, and the ends are bent. The cotter holds until the metal's fatigue becomes apparent, and then it is removed and replaced by another one. Cottons are usually made of soft metals, which facilitates ease of installation and removal. In the event that the fasteners require sufficient powerful resistance, the use of cotter pins is impractical. In other cases, the cotter pin is an economical and optimal means of fastening